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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 24, 2012. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 1423 | N18 | E70 | 01 | 0120 | Alpha | Mar 1, 2012 | Mar 8, 2012 | Mar 22, 2012 |
| № 1422 | N15 | W52 | 09 | 0130 | Beta | Feb 21, 2012 | Feb 28, 2012 | Mar 13, 2012 |
| № 1421 | N14 | W06 | 01 | 0000 | Alpha | Feb 25, 2012 | Mar 2, 2012 | Mar 16, 2012 |
| № 1420 | N11 | W71 | 01 | 0030 | Alpha | Feb 20, 2012 | Feb 26, 2012 | Mar 11, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to February 2012. The gray background is the average SSN index.
